Tell me about the air transport sector
The air transport sector is a subset of the aviation industry, which encompasses all aspects of air transportation, including commercial, recreational, and military flights. This sector consists of airlines, airports, aircraft manufacturers, and other related companies. Air transport is a key part of the global economy and plays a major role in connecting people and goods around the world. It has been an important factor in the growth of international trade and tourism. The air transport sector is constantly changing, with the development of new technologies, such as unmanned aerial vehicles (UAVs), and new regulations, such as the European Union's Emissions Trading System.